UT1/UT4: Begin/End of observation | UT2/UT3: Begin/End of occultation | Dur: Reported duration in seconds | Chrd: Corresponding chord length in km |
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1 observation found in db: euraster
Available (probably) matching predictions (click on the link to switch):
Q: model quality flag (0-5, 5=highest) | P: rotation period | λ,β: ecl. lon. and lat. of spin axis (J2000) | JD: initial time (epoch) | φ0: initial rotation angle for JD0
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Map with groundtrack and observer stations
Event Details
Occultation UUID [and DB] : 3306fc0d-3c2b-441c-a8ae-ccd80ca7a5b1 [observed]
Occultation Date + Time : 2022-10-05 at 01:27:15 UT +/- 0.02 min [1]
Object Designation : (418) Alemannia
Orbit Class : MBA
Star Designation : GDR3 3376544717926064640
Star Coordinates (ICRF) : RA = 06 27 50.7748, DE = +22 51 01.347 [2]
Star Magnitudes : G = 12.34 mag, RP = 11.81 mag, BP = 12.71 mag
Object Magnitude : V = 14.45 mag
Estimated Magnitude Drop : 2.3 mag
Estimated Max. Duration : 2.4 sec
Object Mean Diameter : 34 km (src: astorb)
Speed of the shadow : 14.2 km/s
Elongation to Moon & Sun : 147° (sunlit = 73%), Sun = 95°
Cross-track uncertainty : 1.7 mas = 2 km = 0.08 path-width (1-sig)
RUWE and duplicate source : 1.06 mas, dup.src = 0 (0:false, 1:true)
Ephemeris Reference : JPL#98
[1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0